Basic InformationCase size (L× W× H)55.8 × 53.5 × 14.1 mmWeight63 gCase and bezel materialCase / bezel material: ResinBandResin BandWater resistance100-meter water resistancePower supply and battery lifeApprox. battery life: 3 years on SR920SWExteriorGlassResin GlassCompatible band size145 to 215 mmWatch FeaturesStopwatch1-second stopwatchMeasuring capacity: 9'59Measuring modes: Elapsed time, split time, 1st-2nd place timesAccuracyAccuracy: ±20 seconds per monthOther featuresRegular timekeeping:Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour)Date display